Purbani Khas is a village in Kalpa tehsil in district of Kinnaur, Himachal Pradesh, India. As per the data provided by Census of India in 2011, total population of Purbani Khas was 451 which includes 255 males and 196 females. Purbani Khas covers 180.18 ha area. Pincode of Purbani Khas is 172107.